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  <title>Get the id generated from the previous INSERT operation</title>

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</div><hr /><div id="function.fbsql-insert-id" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">fbsql_insert_id</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">fbsql_insert_id</span> &mdash; <span class="dc-title">Get the id generated from the previous INSERT operation</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.fbsql-insert-id-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">int</span> <span class="methodname"><strong>fbsql_insert_id</strong></span>
    ([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
  ] )</div>

  <p class="para rdfs-comment">
   Gets the id generated from the previous INSERT operation which created a
   DEFAULT UNIQUE value.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    The value of the FrontBase SQL function
    <span class="function"><strong>fbsql_insert_id()</strong></span> always contains the most recently
    generated DEFAULT UNIQUE value, and is not reset between queries.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.fbsql-insert-id-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    <dt>
<em><code class="parameter">
link_identifier</code></em></dt>
<dd>
<p class="para">由
<span class="function"><a href="function.fbsql-connect.html" class="function">fbsql_connect()</a></span> 或
<span class="function"><a href="function.fbsql-pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
<p class="para">如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 <span class="function"><a href="function.fbsql-connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
</dd>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.fbsql-insert-id-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the ID generated from the previous INSERT query, or 0 if the
   previous query does not generate an DEFAULT UNIQUE value.
  </p>
  <p class="para">
   If you need to save the value for later, be sure to call this function
   immediately after the query that generates the value.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.fbsql-insert-id-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.fbsql-affected-rows.html" class="function" rel="rdfs-seeAlso">fbsql_affected_rows()</a> - Get number of affected rows in previous FrontBase operation</span></li>
   </ul>
  </p>
 </div>


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